#4591 do not treat warnings as error in teamcity

[tlamy]

Fixes #4591 for 9.5.x

[codecov]

Codecov Report

Merging #4624 (5f0fc5d) into 9.5 (ef1b6b1) will increase coverage by 0.03%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##                9.5    #4624      +/-   ##
============================================
+ Coverage     84.19%   84.23%   +0.03%     
  Complexity     4627     4627              
============================================
  Files           275      275              
  Lines         11967    11962       -5     
============================================
  Hits          10076    10076              
+ Misses         1891     1886       -5     

Impacted Files	Coverage Δ	Complexity Δ
src/Util/Log/TeamCity.php	58.69% <0.00%> (+2.05%)	56.00 <0.00> (ø)

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[sebastianbergmann]

Duplicate of #4623.